Summary of temperature of main issue from tip (X16)

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Dates of Creation
Physical Description

Scope and Content

A copy of a summary report compiled by the Divisional Laboratory, Ystrad Mynach, 5 Dec 1966 concerning temperature of water issuing from the Aberfan tip.

Custodial History

Previous reference number: DNCB/58/5. National Coal Board Reference: RO/11/25.

Archive Record|Table of contents

National Coal Board, RecordsDNCB

Estates DepartmentDNCB/1

Finance DepartmentDNCB/2

Industrial RelationsDNCB/3

Legal DepartmentDNCB/4

Aberfan TribunalDNCB/4/1

Public Inquiry Into the Aberfan Disaster, Notes Taken by Treasury ReportersDNCB/4/1/1

Public Inquiry Into the Aberfan Disaster, Notes Taken by Treasury Reporters (John Roch's copies)DNCB/4/1/2

Public Inquiry Into the Aberfan Disaster, Notes Taken by Treasury Reporters (Norman Francis' copies)DNCB/4/1/3

Tribunal summary bundlesDNCB/4/1/4

'A' Series, Extracts from National Coal Board filesDNCB/4/1/5

'B' SeriesDNCB/4/1/6

'E' Series, Meterological ReportsDNCB/4/1/7

'K' Series, Experts ReportsDNCB/4/1/8

'L' Series, Miscellaneous DocumentsDNCB/4/1/9

'Chapter' SeriesDNCB/4/1/10

'D' Series, PhotographsDNCB/4/1/11

Newspaper Cuttings and Press ReleasesDNCB/4/1/12

Borehole Logs and Hydrology ReportsDNCB/4/1/13

Log BooksDNCB/4/1/14

Items not placed before the Tribunal (Series described as 'X' documents)DNCB/4/1/15

Leslie Rowsell Moore, Geological Report on the Tipping site and its environs at Merthyr Vale and AberfanDNCB/4/1/15/1

National Coal Board Land Interests at Merthyr Vale and Aberfan (X1)DNCB/4/1/15/2

The Development of Iron Making and Iron Mining of Coal in the Taff and Taff-Bargoed Valleys from early times to the twentieth century, Clive Thomas (X2)DNCB/4/1/15/3

Rainfall Graph, Treharris Reservoir (X3)DNCB/4/1/15/4

Extract from Professor John Sinclair, Ground Movement and Control at Collieries (X4)DNCB/4/1/15/5

Colliery Tips, correspondence concerning various tips (X5)DNCB/4/1/15/6

Screening Analysis of Tip Material - Graphical representation (X6)DNCB/4/1/15/7

Disposal of Tailings after commencement of New Washery at Merthyr Vale (X7)DNCB/4/1/15/8

Car Spotter - Planned Maintenance Records (X8)DNCB/4/1/15/9

Glossary of Mining Terms (X9)DNCB/4/1/15/10

Mr W H Church's Statement about Watercourse (X10)DNCB/4/1/15/11

Rainfall in Aberfan District preceding 21 Oct 1966 (X12)DNCB/4/1/15/12

J Pettit, Report on Dowlais-Cardiff Colliery, Abercynon. Slide of the Rubbish Tip on 5 Dec 1939 (X13)DNCB/4/1/15/13

Chairman and Directors Reports (Powell Duffryn Ltd.) and Area General Manager’s Monthly Reports (X14)DNCB/4/1/15/14

List of Information Bulletins (Yellow Perils) that were published 1949-1966 (X15)DNCB/4/1/15/15

Summary of temperature of main issue from tip (X16)DNCB/4/1/15/16

Addendum to Pocock, 'History of Tipping at Mynydd Merthyr from Merthyr Vale Colliery' (X17)DNCB/4/1/15/17

Report, Merthyr Vale Washery, Examination of Washery Refuse and Middlings (X18)DNCB/4/1/15/18

Extracts from R V Thomas' Notebook (X19)DNCB/4/1/15/19

Memorandum from D Powell requesting Area Civil Engineers to examine tips (X20)DNCB/4/1/15/20

Extract from 'Colliery Engineering', The Stability of Colliery Spoilbanks by G L Watkins (X21)DNCB/4/1/15/21

Short Report on earth slip at Manor Powis Colliery, Stirling, Dec 1943 (X22)DNCB/4/1/15/22

Report on Sliding of Colliery Rubbish Tips (X23)DNCB/4/1/15/23

Order of Witnesses – programme for future conduct of inquiry (X24)DNCB/4/1/15/24

List of claims under Coal Mining Subsidence Acts 1950 and 1937 (X25)DNCB/4/1/15/25

Summary of water flows measured up to and including 28 Nov 1966 (X26)DNCB/4/1/15/26

Aberfan Tip Materials, Specific Gravity compared with Ash Content of sinks at Specific Gravity 1.60 (X27)DNCB/4/1/15/27

Copy of Merthyr Borough Development Plan Statement to accompany Town Map (X28)DNCB/4/1/15/28

Leslie Rowsell Moore, ‘Geological Report on the Tipping site and its environs at Merthyr Vale and Aberfan’ and associated papers (X29)DNCB/4/1/15/29

Copy of Tender submitted by British Ropeway Engineering for Merthyr Vale Aerial Ropeway (X30)DNCB/4/1/15/30

Rainfall Graphs of Treharris Reservoir (X31)DNCB/4/1/15/31

Drawing of trams in use at Merthyr Vale Colliery (X32)DNCB/4/1/15/32

Copy of electrical engineers certificate issued to Evan Thomas Groves (X33)DNCB/4/1/15/33

'Analysis of Transcript', [Philip Wien, QC] (X34)DNCB/4/1/15/34

Copies of Documents removed from HQ Finance Department, Capital Expenditure, Merthyr Vale Colliery (X35)DNCB/4/1/15/35

Transcript of Evidence and Cross Examination of Mr D L Roberts on 33rd day of Tribunal (X36)DNCB/4/1/15/36

Draft report, 'Effects of Working Seams at Merthyr Vale Colliery on the Dirt Tips at Aberfan', R J Orchard, Chief Surveyor and Minerals Manager (X37)DNCB/4/1/15/37

Headquarters Memorandum to Aberfan Inquiry (X38)DNCB/4/1/15/38

Report and Plan of Sub-Surface, Survey, Aberfan site (X39)DNCB/4/1/15/39

Borehole Samples - core reports with plan of Boreholes on Aberfan site [X40]DNCB/4/1/15/40

[Mr F W Dawson's notebooks] on evidence given at Tribunal (X41)DNCB/4/1/15/41

Philip Wien, QC's notebook on evidence given at Tribunal (X42)DNCB/4/1/15/42

Charts, Section A-B-C-D (X43)DNCB/4/1/15/43

Reconstruction of History of Merthyr Vale Tip (X44)DNCB/4/1/15/44

Examination of Seven Feet Seam at Merthyr Vale Colliery (X45)DNCB/4/1/15/45

Synopsis of Documents relating to Aberfan Tips (X46)DNCB/4/1/15/46

Larceny of Copper from Merthyr Vale Colliery and Tips (X47)DNCB/4/1/15/47

Miscellaneous Reports and Meeting Minutes (X48)DNCB/4/1/15/48

Notes on Cross Examination of Higher Management – T Wright, G S Morgan, Mr Powell (X49)DNCB/4/1/15/49

Miscellaneous: Letters, reports, witness statements and other papers (X50)DNCB/4/1/15/50

Correspondence file used by the National Coal Board at the Aberfan TribunalDNCB/4/1/15/51

Aberfan Disaster FundDNCB/4/1/16

Summaries of National Coal Board Records relevant to the Aberfan InquiryDNCB/4/1/17

Miscellaneous tribunal filesDNCB/4/1/18

Colliery Tips and Tip ControlDNCB/4/1/19

Report of the Tribunal Appointed to Inquire into the Disaster at Aberfan on 21 Oct 1966DNCB/4/1/20

PlansDNCB/4/1/21

Pneumoconiosis ClaimsDNCB/4/2

Sale of CollieriesDNCB/4/3

Industrial RelationsDNCB/4/4

Documents relating to Briquetting Plant, Port TalbotDNCB/4/5

Public Relations DepartmentDNCB/5

Mining DepartmentDNCB/6

Scientific DepartmentDNCB/7

Individual CollieriesDNCB/8

Opencast ExecutiveDNCB/9

Statistics DepartmentDNCB/10

Secretary's DepartmentDNCB/11

Area DirectorDNCB/12

Staff DepartmentDNCB/13

Photographic CollectionDNCB/14

Pre-Vesting Date Coal Mining and Related Industrial RecordsDNCB/15